Exposure
ID
GRAVI.2025-07-22T02:47:56.664_2
Header ID
GRAVI.2025-07-22T02:47:56.664
Date updated
2025-07-22 03:00:45 UTC+0000
Release date
2025-07-22 02:47:56 UTC+0000
UTC Start
2025-07-22 02:47:56.664
UTC End
2025-07-22 02:49:56.664
MJD Start
60878.11662806
MJD End
60878.11801694889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.0054525
Ambient temperature (°C)
14.29
Seeing (arcsec)
0.98
Observation
ID
68845
Category
calibrator
Program ID
113.26EQ.011
Program Title
USING GRAVITY TO STUDY STAR-DISK INTERACTION
Program Type
Monitoring
PI / COI
GINSKI / BOURDAROT / PINILLA / BENISTY / MANARA / RIBAS / LACOUR / NOWAK / VIGAN / WANG / BALMER / MURPHY
Target
ID
51215
Name
hd174536
RA
282.90437875
DEC
-17.310531194444444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.8590 89.9480 112.5000 112.7000
A0-J2 126.9950 127.2110 89.4000 89.5000
A0-K0 124.8430 125.0790 67.1940 67.4090
G1-J2 56.7270 56.8200 50.8000 51.1000
G1-K0 88.8060 88.8640 21.1740 21.4390
J2-K0 48.4670 48.4580 345.7820 345.9970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.011
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60878.11662806
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd174536
HIERARCH ESO INS SOBJ NAME hd174536
RA 282.902018
DEC -17.31035
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 135.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 89.859
HIERARCH ESO ISS PBL12 END 89.948
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 126.995
HIERARCH ESO ISS PBL13 END 127.211
HIERARCH ESO ISS PBLA13 START 89.4
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 124.843
HIERARCH ESO ISS PBL14 END 125.079
HIERARCH ESO ISS PBLA14 START 67.194
HIERARCH ESO ISS PBLA14 END 67.409
HIERARCH ESO ISS PBL23 START 56.727
HIERARCH ESO ISS PBL23 END 56.82
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 88.806
HIERARCH ESO ISS PBL24 END 88.864
HIERARCH ESO ISS PBLA24 START 21.174
HIERARCH ESO ISS PBLA24 END 21.439
HIERARCH ESO ISS PBL34 START 48.467
HIERARCH ESO ISS PBL34 END 48.458
HIERARCH ESO ISS PBLA34 START 345.782
HIERARCH ESO ISS PBLA34 END 345.997
HIERARCH ESO ISS AMBI TAU0 START 0.005781
HIERARCH ESO ISS AMBI TAU0 END 0.005124
HIERARCH ESO ISS AMBI TEMP 14.29
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 1.05
HIERARCH ESO FT ROBJ NAME hd174536
HIERARCH ESO FT ROBJ ALPHA 185137.0509
HIERARCH ESO FT ROBJ DELTA -171837.9123